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Hello, I am Jose Sebastian. Your mechanic automotive expert, It's a pleasure to me to attend your question. Thank you very much for trust in just answer.
Dear customer, as you should have seen in your research or I do not know if you have already checked it. This error code represent a problem with the normal working temperature of the engine. Let me explain you, your engine has a dispositive known as thermostat which is in charge of open and close the water/coolant pass according to the temperature that the vehicle has. to make the car warms up as soon as possible and get to its normal working temperature.
It is necessary that the car reach its normal working temperature to make the regulate of fuel change. All this is monitoring by the ECM(electric control module) this regulate for the vehicle emissions be the lower possible and the performance of the car be the better possible.
In this aspects are involve several parts that need to be checked to sorted out the problem
First we are going to check the coolant status, its level an see if it is not dirt.Then with a more advanced scanner, preferably the dealer scanner or a scanner with the Mitsubishi software. We will watch how the temperature rise up amd it will not present variation and rise in a balance way.If we watch that the temperature sensor is ok and it does not have any kind of problems, then, we are going to proceed to disassemble the thermostat and make sure that it not stuck and it is opening and closing in a proper way (it is normal that thermostats get damage and eliminate them because some persons consider it as a low utility part. But it is false)If we watch that the aspects I mentioned before are ok, we now have to disassemble the coolant system including the radiator to make a internal clean. It has to be done for specialists because they use special chemicals. Finally, once all this is done if you watch that the problem persist, I recommend you to check the computers and its modules (the ECM as the PCM i mentioned before)
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